Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Evaluation of Polyvinylidene Fluoride and Polyacrylonitrile Nanofibers for Barrier Membrane Application in Guided Bone Regeneration

골유도재생술용 차폐막 적용을 위한 polyvinylidene fluoride와 polyacrylonitrile 나노섬유의 평가

  • Lim, Yun Kyong (Department of Oral Biochemistry, School of Dentistry, Chosun University) ;
  • Kook, Joong Ki (Department of Oral Biochemistry, School of Dentistry, Chosun University) ;
  • Yu, Sang Joun (Department of Periodontology, School of Dentistry, Chosun University) ;
  • Lee, Won Pyo (Department of Periodontology, School of Dentistry, Chosun University) ;
  • Lee, Kyung Hyun (Department of Periodontology, School of Dentistry, Chosun University) ;
  • Kim, Hee Jung (Department of Prosthodontics, School of Dentistry, Chosun University) ;
  • Lee, Seung Hoon (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Kim, Chan (Amogreentech Co., Ltd.)
  • 임윤경 (조선대학교 치과대학 구강생화학교실) ;
  • 국중기 (조선대학교 치과대학 구강생화학교실) ;
  • 유상준 (조선대학교 치과대학 치주과학교실) ;
  • 이원표 (조선대학교 치과대학 치주과학교실) ;
  • 이경현 (조선대학교 치과대학 치주과학교실) ;
  • 김희중 (조선대학교 치과대학 보철학교실) ;
  • 이승훈 (숭실대학교 유기신소재파이버공학과) ;
  • 김찬 ((주)아모그린텍 신소재 연구소)
  • Received : 2019.04.05
  • Accepted : 2019.06.06
  • Published : 2019.06.30
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Abstract

Recently, various nanofiber membranes for guided bone regeneration using electrospinning methods have been reported. The purpose of this study was to evaluate the in vitro osteogenesis efficiency of electrospun polyvinylidene fluoride (PVDF) and polyacrylonitrile (PAN) membranes. Nano sized topography, mechanical properties, and biological evaluations were performed to compare the PVDF and PAN nanofiber membranes with the commercially available polytetrafluoroethylene (PTFE) membrane. The cytotoxicities of these membranes were evaluated using the MTT assay. Alkaline phosphatase (ALP) activity and the calcium concentration were determined to evaluate the in vitro bone formation activities of the above-mentioned membranes. Expression levels of the osteoblast differentiation marker genes (RUNX2, OSX, OCN, and COL1A1 genes) were determined using the real-time quantitative polymerase chain reaction (RT-qPCR) and enzyme-linked immunosorbent (ELISA) assay. Approximately 300 nm three-dimensional porous structures, with pores connected/extending from the surface to the rear/bottom were observed in each PVDF and PAN nanofiber membrane using a scanning electron microscope. The strength and elongation of the porous structures were superior to those seen in the PTFE membrane. The cell viability, ALP activity, and calcium concentration were higher in these nanofiber membranes as compared to those in the PTFE membrane. RT-qPCR and ELISA assay analysis also showed that the nanofiber membranes had better osteogenesis efficiencies as compared to the PTFE membrane after 7 days. The results in this study demonstrate that the electrospun PVDF and PAN nanofiber membranes could potentially function as barrier membranes for bone tissue regeneration.

Keywords

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